(pick robot1 ball1 room1 lgripper1)
(pick robot1 ball2 room1 rgripper1)
(move robot1 room1 room4)
(drop robot1 ball2 room4 rgripper1)
(move robot1 room4 room5)
(drop robot1 ball1 room5 lgripper1)
; cost = 6 (unit cost)
